In fact, what it is you’re actually producing depends on what is being printed: if it’s toy jewelry, rubber balls, and plastic chess pieces your after, you’re printing not an analogue of the real thing, but the real thing itself. Confused yet?

As far as how this can be used in education, it’s a matter of bringing objects out of the computer screen and into the hands of students for inspection, analysis, and other processes that can benefit from physical manipulation. In that way, 3D printers may eventually be able to bridge the gap between the physical and the digital–use a screen to find what you need, then print it into existence.